A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.
NSN 6620-01-510-1859
NSN 6320-01-359-3921
NSN 5985-01-141-0875
NSN 5996-01-038-3850
NSN 6110-01-205-3248
NSN 5895-00-857-9840
NSN 5910-01-206-4641
NSN 5999-00-074-0544
NSN 5950-00-712-7962
NSN 5990-00-145-1187
NSN 5999-01-362-7741
NSN 6620-01-538-7174